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Hwy Frontage Rd over Comb I90 Rps&hov&amtk

Suffolk County, Massachusetts · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Hwy Frontage Rd over Comb I90 Rps&hov&amtk in Suffolk County, Massachusetts, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2002, making it 23 years old at the 2025 inventory.
It carries about 4,534 vehicles a day (traffic count year 2018).
Its listed owner is the state highway agency.
It is one of 110 of the 490 inventoried bridges in Suffolk County rated good (22.4%); 49 (10.0%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous prestressed concrete segmental box girder
Length	about 1,232 ft
Location	.5 Mi S I-90 EB
NBI structure number	B1668182PDOTNBI
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Massachusetts department of transportation.

Bridge	Built	Vehicles/day	Condition
I 93 /US1/ST3 over Comb Mbta & Red Ln Ssh	1957	211,123	Fair
I 93 /US1/ST3 over Hwy Victory Rd	1955	193,593	Fair
I 93 /US1/ST3 over Hwy Conley St	1955	193,593	Fair
I 93 /US1/ST3 over Comb Mbta & Columbia Rd	1958	193,500	Fair
I 93 /US1/ST3 over Hwy Hallet Street	1956	190,508	Fair
I 93 /US1/ST3 over RR CSX Spur	1958	188,320	Fair